New Caledonia Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Vietnam was US$398 during 2015, according to the United Nations COMTRADE database on international trade. New Caledonia Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Vietnam - data, historical chart and statistics - was last updated on May of 2024.